问在php中交换( twist )多维数组

EN

// Your array stored as $arr

$newArr = array();
for ($i = 0;$i < count($arr[0]); $i++) {
    $newArr[] = array($arr[0][$i],$arr[1][$i]);
}

$array = array(
    array('adam', 'brad', 'chris', 'david'),
    array(21, 23, 22, 26)
);

$final_array = array();
foreach ($array[0] as $k => $v)
{
    $final_array[] = array($array[0][$k], $array[1][$k]);
}

print_r($final_array);

foreach ($array[0] as $k => $v)
{
    $final_array[] = array($v, $array[1][$k]);
}

// Take array like ([0] => ('key1' => 'value1', 'key2' => 'value2'), [1] => ('key1' => 'value45', 'key2' => 'value3'))
// and transform it to like ('key1' => ([0] => 'value1', [1] => 'value45'), 'key2' => ([0] => 'value2', [1] => 'value3'))
function array_twist(array $array) {
    $number_of_rows = count($array);
    $twisted_array = array();
    for ($i = 0; $i < $number_of_rows; ++$i) {
        $fields = array_keys($array[$i]);
        foreach ($fields as $field) {
            $data = $array[$i][$field];
            if ($data != '') {
                $twisted_array[$field][] = $data;
            }
         }
     }
   return $twisted_array;
}